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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. long long int call(long long int x)
  5. {
  6. 	if(x==1)return 1;
  7. 	else if(x==2)return 40;
  8. 	else if(x>=3)return call(x-1)/(1+call(x-2))*(call(x-1)+1);
  9. }
  10.  
  11. int main() {
  12. 	long long int x;
  13. 	cin>>x;
  14. 	cout<<call(x)<<endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 4388KB
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-6526344715890838044
https://ideone.com/UcnS4j
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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